Kérastase 8h Magic Night Serum is a nourishing beauty treatment for dry hair. This night treatment is composed of anti-dryness polymers that provide instant care without a greasy effect. The essential nutrients in the formula reinforce the nutrition and resistance of the hair. As for the skin, this magical serum takes advantage of the night to regenerate dry hair for 8 hours. Protects from friction caused by the pillow. +98% strength. Benefits: Protects from pillow friction. Restores hair hydration thanks to its action for 8 hours. Provides shine and softness when you wake up. How to use: Take a squeeze of the Nuit Serum into your hands and distribute evenly over dry or wet hair. Do not rinse when waking up. In case of contact with eyes, rinse immediately with plenty of water.